Re: [PATCH v2] dt-bindings: arm-smmu: Constrain clocks for newer Qualcomm variants

From: Will Deacon

Date: Tue May 19 2026 - 11:44:38 EST


On Tue, 19 May 2026 09:41:00 +0200, Krzysztof Kozlowski wrote:
> Many of SMMU on Qualcomm SoCs come in two flavors using the same front
> compatible but a bit different fallback:
>
> 1. For application processor, usually without any controllable
> clocks,
>
> 2. For the Adreno GPU, with some controllable clock(s) and using
> additionally qcom,adreno-smmu fallback compatible.
>
> [...]

!! Please note: this conflicted with the Glymur GPU bindings update. That
was trivial to fix, but I've also queued an update adding
"qcom,shikra-smmu-500" which you may want in your list of platforms
where clocks are disallowed?

Applied to iommu (arm/smmu/bindings), thanks!

[1/1] dt-bindings: arm-smmu: Constrain clocks for newer Qualcomm variants
https://git.kernel.org/iommu/c/75949eb02653

Cheers,
--
Will

https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev